Base | Representation |
---|---|
bin | 10010110010000… |
… | …001111111100111 |
3 | 210221221000011000 |
4 | 102302001333213 |
5 | 1121131332010 |
6 | 51133444343 |
7 | 10544231133 |
oct | 2262017747 |
9 | 727830130 |
10 | 315105255 |
11 | 151961273 |
12 | 896406b3 |
13 | 5038931a |
14 | 2dbc63c3 |
15 | 1c9e47c0 |
hex | 12c81fe7 |
315105255 has 32 divisors (see below), whose sum is σ = 562334400. Its totient is φ = 167412096.
The previous prime is 315105191. The next prime is 315105257. The reversal of 315105255 is 552501513.
It is not a de Polignac number, because 315105255 - 26 = 315105191 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (315105257) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31977 + ... + 40653.
It is an arithmetic number, because the mean of its divisors is an integer number (17572950).
Almost surely, 2315105255 is an apocalyptic number.
315105255 is a deficient number, since it is larger than the sum of its proper divisors (247229145).
315105255 is a wasteful number, since it uses less digits than its factorization.
315105255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8960 (or 8954 counting only the distinct ones).
The product of its (nonzero) digits is 3750, while the sum is 27.
The square root of 315105255 is about 17751.2043253409. The cubic root of 315105255 is about 680.4849877819.
Adding to 315105255 its reverse (552501513), we get a palindrome (867606768).
It can be divided in two parts, 315 and 105255, that added together give a triangular number (105570 = T459).
The spelling of 315105255 in words is "three hundred fifteen million, one hundred five thousand, two hundred fifty-five".
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